Civil Engineering MCQ. PWD, CPWD, RRB, SSC, Mock Test Paper

Subject: Structural Analysis 9

**Part 3: List for questions and answers of Structural Analysis II**

**Q1. Which of the following methods of structural analysis is a force method?**

a) Slope deflection method

b) Column analogy method

c) Moment distribution method

d) None of the above

**Q2.which of the following methods of structural analysis is a displacement method?**

a) Moment distribution method

b) Column analogy method

c) Three moment equation

d) None of the above

**Q3. In the displacement method of structural analysis, the basic unknowns are**

a) Displacements

b) Force

c) Displacements and forces

d) None of the above

**Q4. The fixed support in a real beam becomes in the conjugate beam a**

a) Roller support

b) Hinged support

c) Fixed support

d) Free end

**Q5. The width of the analogous column in the method of column analogy is**

a) 2/ei

b) 1/ei

c) 1/2ei

d) 1/4ei

**Q6. A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kn at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kn load at its centre?**

a) 5mm

b) 0.5mm

c) 0.05mm

d) 0.005mm

**Q7. The deformation of a spring produced by a unit load is called**

a) Stiffness

b) Flexibility

c) Influence coefficient

d) Unit strain

**Q8. For a single point load w moving on a symmetrical three hinged parabolic arch of span l, the maximum sagging moment occurs at a distance x from ends. The value of x is**

a) 0.211 l

b) 0.25 l

c) 0.234 l

d) 0.5 l

**Q9. Muller breslau’s principle for obtaining influence lines is applicable to****I) trusses****Ii) Statically determinate beams and frames****Iii) Statically indeterminate structures, the material of which is elastic and follows Hooke’s law****Iv) Any statically indeterminate structure****The correct answer is**

a) (i),(ii) and (iii)

b) (i),(ii) and (iv)

c) (i) and (ii)

d) Only (i)

**Q10. Consider the following statements:****Sinking of an intermediate support of a continuous beam****1. Reduces the negative moment at support.****2. Increases the negative moment at support.****3. Reduces the positive moment at support.****4. Increases the positive moment at the centre of span.****Of these statements**

a) 1 and 4 are correct

b) 1 and 3 are correct

c) 2 and 3 are correct

d) 2 and 4 are correct

**Q11. A load ‘w is moving from left to right support on a simply supported beam of span t. The maximum bending moment at 0.4 1 from the left support is**

a) 0.16 wl

b) 0.20 wl

c) 0.24 wl

d) 0.25 wl

**Q12. When a load crosses a through type pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would**

a) Change from compression to tension

b) Change from tension to compression

c) Always be compression

d) Always be tension

**Q13. Independent displacement components at each joint of a rigid-jointed plane frame are**

a) Three linear movements

b) Two linear movements and one rotation

c) One linear movement and two rotations

d) Three rotations

**Q14. If in a pin-jointed plane frame (m+r) > 2j, then the frame is(where m is number of members, r is reaction components and j is number of joints)**

a) Stable and statically determinate

b) Stable and statically indeterminate

c) Unstable

d) None of the above

**Q15. Which of the following is not the displacement method?**

a) Equilibrium method

b) Column analogy method

c) Moment distribution method

d) Kani’s method

**Q16. Study the following statements.****I) the displacement method is more useful when degree of kinematic indeterminacy is****greater than the degree of static indeterminacy.****Ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.****Iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.****Iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.****The correct answer is**

a) (i) and (iii)

b) (ii) and (iii)

c) (i) and (iv)

d) (ii) and (iv)

**Q17. Select the correct statement**

a) Flexibility matrix is a square symmetrical matrix

b) Stiffness matrix is a square symmetrical matrix

c) Both a and b

d) None of the above

**Q18. To generate the j th column of the flexibility matrix**

a) A unit force is applied at coordinate j and the displacements are calculated at all

coordinates

b) A unit displacement is applied at co-ordinate j and the forces are calculated at all

coordinates

c) A unit force is applied at coordinate j and the forces are calculated at all coordinates

d) A unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

**Q19. For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal****I) of stiffness matrix must be positive****Ii) Of a stiffness matrix must be negative****Iii) of a flexibility matrix must be positive****Iv) Of a flexibility matrix must be negative****The correct answer is**

a) (i) and (iii)

b) (ii) and (iii)

c) I) and (iv)

d) (ii) and (iv)

**Q20. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in**

a) Vertical direction

b) Horizontal direction

c) Inclined direction

d) The direction in which the deflection is required

**Part 3: List for questions and answers of Structural Analysis II**

Q1. Answer: b

Q2. Answer: a

Q3. Answer: a

Q4. Answer: d

Q5. Answer: b

Q6. Answer: a

Q7. Answer: b

Q8. Answer: a

Q9. Answer: a

Q10. Answer: a

Q11. Answer: c

Q12. Answer: a

Q13. Answer: b

Q14. Answer: b

Q15. Answer: b

Q16. Answer: d

Q17. Answer: c

Q18. Answer: a

Q19. Answer: a

Q20. Answer: d